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SQUARE D Thermal Unit, 20 Trip Class, A9.25 - Electrical
SQUAREElectrical

SQUARE D Thermal Unit, 20 Trip Class, A9.25

SQUARE Electrical.

SKU 3G-OTH-41936

Also listed as: A925 · A9 25 · A9-25

Brand
SQUARE
Item
D Thermal Unit, 20 Trip Class, A9.25
Category
Electrical
UNSPSC
39121029 — Isolation transformer
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SQUARE
Manufacturer Part Number
A9.25

Technical Documents

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SQUARE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

SQUARE Electrical.

Frequently Asked Questions

What is the SQUARE D Thermal Unit A9.25 used for?

The SQUARE D Thermal Unit A9.25 is an overload relay heater element designed to protect motors from sustained overcurrent. It is used in industrial motor starters and controllers to trip the circuit when current exceeds the rated value, preventing motor damage. Common applications include conveyors, pumps, and compressors in manufacturing and process industries.

What are the specifications of the SQUARE D Thermal Unit A9.25?

The SQUARE D Thermal Unit A9.25 has a trip class of 20 and a manufacturer part number of A9.25. It is a thermal overload relay heater element used with SQUARE D motor starters. The trip class indicates the maximum time in seconds to trip at 600% of rated current. For exact current ratings, consult the SQUARE D documentation.

Where to buy the SQUARE D Thermal Unit A9.25 worldwide?

You can source the SQUARE D Thermal Unit A9.25 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We supply genuine SQUARE D components for motor protection applications.

How to select the correct SQUARE D thermal unit for a motor?

To select the correct SQUARE D thermal unit, match the heater element to the motor's full-load current rating and service factor. The A9.25 is a trip class 20 unit, suitable for standard motor starting. Refer to the SQUARE D selection table for the proper part number based on motor nameplate amps. Always verify compatibility with your starter model.

Used in

Common applications for SQUARE
Industrial power distribution — Square D HU362AWC non-fusible safety switch for disconnecting three-phase loads up to 60 A.
Busway branch circuits — Square D PQ4203G fusible bus plug for overcurrent protection in I-Line busway systems.
Panelboard surge protection — Square D HL4IMA24C SPD for transient voltage suppression in 277/480V AC wye systems.
Power distribution in control panels — Square D 9080LBA263106 open distribution block for splitting 400 kcmil conductors.
Machine control stations — Square D 9001BG303 push-button station for open/close/stop operations in industrial machinery.
Motor starting and protection — Square D 8536SBG2V02H30S NEMA starter for non-reversing three-phase motor control up to 18 A.
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SQUARE Products

3G Electric supplies SQUARE electrical. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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